Blockchain: Introduction and Evolution

This lecture introduces the concept of blockchains, focusing on decentralization, trusted third parties, and the history of blockchain technology. It covers the distinction between decentralized and distributed systems, the role of trusted third parties, and the evolution of blockchains from the early works of Haber & Stornetta to the emergence of Bitcoin, Ethereum, and smart contracts. The lecture also discusses the visions of Satoshi Nakamoto, Vitalik Buterin, and Dominic Williams, highlighting the key features and criticisms of Bitcoin, Ethereum, and DFinity. Additionally, it explores the practical applications of blockchain technology in various industries, such as finance, logistics, and energy.